<?php
// +----------------------------------------------------------------------
// | ThinkPHP [ WE CAN DO IT JUST THINK ]
// +----------------------------------------------------------------------
// | Copyright (c) 2006~2019 http://thinkphp.cn All rights reserved.
// +----------------------------------------------------------------------
// | Licensed ( http://www.apache.org/licenses/LICENSE-2.0 )
// +----------------------------------------------------------------------
// | Author: liu21st <liu21st@gmail.com>
// +----------------------------------------------------------------------
declare (strict_types=1);

namespace app;

use think\App;
use think\exception\ValidateException;
use think\facade\View;
use think\Validate;


/**
 * 控制器基础类
 */
abstract class BaseController
{
    /**
     * Request实例
     * @var \think\Request
     */
    protected $request;

    /**
     * 应用实例
     * @var \think\App
     */
    protected $app;

    /**
     * 是否批量验证
     * @var bool
     */
    protected $batchValidate = false;

    /**
     * 控制器中间件
     * @var array
     */
    protected $middleware = [];

    /**
     * 构造方法
     * @access public
     * @param App $app 应用对象
     */
    public function __construct(App $app)
    {
        $this->app = $app;
        $this->request = $app->request;
        // 控制器初始化
        $this->initialize();
    }

    // 初始化
    protected function initialize()
    {
        $this->assign('ACTION', request()->action());
        $this->assign('CONTROLLER', request()->controller());
        $this->assign('APP', app('http')->getName());
    }

    /**
     * 验证数据
     * @access protected
     * @param array $data 数据
     * @param string|array $validate 验证器名或者验证规则数组
     * @param array $message 提示信息
     * @param bool $batch 是否批量验证
     * @return array|string|true
     * @throws ValidateException
     */
    protected function validate(array $data, $validate, array $message = [], bool $batch = false)
    {
        if (is_array($validate)) {
            $v = new Validate();
            $v->rule($validate);
        } else {
            if (strpos($validate, '.')) {
                // 支持场景
                list($validate, $scene) = explode('.', $validate);
            }
            $class = false !== strpos($validate, '\\') ? $validate : $this->app->parseClass('validate', $validate);
            $v = new $class();
            if (!empty($scene)) {
                $v->scene($scene);
            }
        }

        $v->message($message);

        // 是否批量验证
        if ($batch || $this->batchValidate) {
            $v->batch(true);
        }
        try {
            $result = $v->failException(true)->check($data);
            return $result;
        } catch (ValidateException $exception) {
            throw new ValidateException($exception->getMessage());
        }

    }

    /**
     * 返回视图内容
     * @param string $tpl 模板名称
     * @param array $vars 模板变量
     * @param null|string $node 授权节点
     */
    public function fetch(string $tpl = '', array $vars = [], $filter = null)
    {
        $vars = array_merge($this->data, $vars);
        return view($tpl, $vars, 200, $filter);
    }


    /**
     * 模板变量赋值
     * @param mixed $name 要显示的模板变量
     * @param mixed $value 变量的值
     * @return $this
     */
    public function assign($name, $value = null)
    {
        View::assign($name, $value);
        if (is_string($name)) {

            $this->data[$name] = $value;
        } elseif (is_array($name)) {
            foreach ($name as $k => $v) {
                if (is_string($k)) $this->data[$k] = $v;
            }
        }
        return $this;
    }
}
